util: acpi: include unistd.h

For lseek.

Signed-off-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/util/viracpi.c b/src/util/viracpi.c
index e66df99f035ffeb8f1e37ea601e411611fb2465b..c96b7c296b4d59df403bbf96940f671338f6f2a7 100644 (file)
--- a/src/util/viracpi.c
+++ b/src/util/viracpi.c
@@ -22,6 +22,7 @@
 
 #include <inttypes.h>
 #include <fcntl.h>
+#include <unistd.h>
 
 #define LIBVIRT_VIRACPIPRIV_H_ALLOW
 #include "internal.h"